CLI improvements (#41)

* Update package_command.dart

* Bump http dep to 1.1.2 and other dependencies

* Added `--mobile` and `--verbose` flags.

More detailed output.
Async everything.

* Bump Flet dep to 0.15.0

* Bump serious_python version to 0.6.0

* Create _posixsubprocess.py

* More mobile junk files: .a, .pdb, .pyd, .exe, .dll

* Delete files with .h extension

* Added to readme about `--mobile` and `--verbose` flags

* Added --web arg to package for pyodide

* FFI things moved to android package

* Added extra packaging args

* Added web platform to flet_example

* Implemented dep-mappings and req-deps arguments

* --find-links and --platform implemented

* Changelogs updated

* Cleanup.

* Fix yaml

* Use "=" in dep mappings

* Fixed flet_example windows project

* Use predefined TCP port on Windows to avoid firewall dialog

.appveyor.yml

@@ -195,7 +195,7 @@ for:
 
     test_script:
       - cd src/serious_python/example/flet_example
-      - dart run serious_python:main package app/src --pre
+      - dart run serious_python:main package app/src --dep-mappings "flet=flet-embed" --req-deps "flet-embed"
       - flutter test integration_test -d macos
 
   # ======================================
@@ -234,7 +234,7 @@ for:
 
     test_script:
       - cd src/serious_python/example/flet_example
-      - dart run serious_python:main package app/src --pre
+      - dart run serious_python:main package app/src --mobile --dep-mappings "flet=flet-embed" --req-deps "flet-embed"
       - flutter drive --driver=test_driver/integration_test.dart --target=integration_test/app_test.dart
 
   # ======================================
@@ -276,7 +276,7 @@ for:
 
     test_script:
       - cd src/serious_python/example/flet_example
-      - dart run serious_python:main package app/src --pre
+      - dart run serious_python:main package app/src --mobile --dep-mappings "flet=flet-embed" --req-deps "flet-embed"
       - flutter test integration_test -d emulator-5554
 
 
@@ -298,7 +298,7 @@ for:
 
     test_script:
       - cd src/serious_python/example/flet_example
-      - dart run serious_python:main package app/src --pre
+      - dart run serious_python:main package app/src --dep-mappings "flet=flet-embed" --req-deps "flet-embed"
       - flutter test integration_test -d windows
 
   # ======================================
@@ -318,7 +318,7 @@ for:
 
     test_script:
       - cd src/serious_python/example/flet_example
-      - dart run serious_python:main package app/src --pre
+      - dart run serious_python:main package app/src --dep-mappings "flet=flet-embed" --req-deps "flet-embed"
       - xvfb-run flutter test integration_test -d linux
 
   # ======================================
@@ -342,7 +342,7 @@ for:
 
     test_script:
       - cd src/serious_python/example/flet_example
-      - dart run serious_python:main package app/src --pre
+      - dart run serious_python:main package app/src --dep-mappings "flet=flet-embed" --req-deps "flet-embed"
       - xvfb-run flutter test integration_test -d linux
 
   # =========================================

README.md

@@ -81,7 +81,15 @@ To simplify the packaging of your Python app Serious Python provides a CLI which
 dart run serious_python:main
 ```
 
-There is `package` command which takes a directory with Python app as the first argument. The command must be run in Flutter app root directory, where `pubspec.yaml` is located. The path could be either relative or an absolute:
+There is `package` command which takes a directory with Python app as the first argument. The command must be run in Flutter app root directory, where `pubspec.yaml` is located. The path could be either relative or an absolute.
+
+To package Python files for a mobile app run: 
+
+```
+dart run serious_python:main package app/src --mobile
+```
+
+To package for a desktop app run:
 
 ```
 dart run serious_python:main package app/src
@@ -285,6 +293,16 @@ List libraries and their versions in `requirements.txt` in the root of your Pyth
 
 List libraries and their versions in `requirements.txt` in the root of your Python app directory.
 
+## Troubleshooting
+
+### Detailed logging
+
+Use `--verbose` flag to enabled detailed logging:
+
+```
+dart run serious_python:main package app/src --mobile --verbose
+```
+
 ## Examples
 
 [Python REPL with Flask backend](src/serious_python/example/flask_example).

src/serious_python/CHANGELOG.md

@@ -1,3 +1,15 @@
+## 0.6.0
+
+* `--verbose` flag - verbose output.
+* `--mobile` flag - (removes `.so`) from app dest archive.
+* `--web` flag for packaging for pyodide.
+* `--find-links` option for installing pip dependencies from alternative sources (indexes).
+* `--dep-mappings` for rewriting `flet` dependency to either `flet-embed` or `flet-pyodide`.
+* `--req-deps` for adding required dependencies like `flet-embed` or `flet-pyodide`.
+* `--platform` option for use with `sitecustomize.py` to tweak pip to pull platform-specific packages.
+* More structured regular output.
+* Bump deps versions.
+
 ## 0.5.1
 
 * Simplified Python initialization on Android.

src/serious_python/bin/README.rd

@@ -0,0 +1,13 @@
+pip commands:
+
+```
+python -m pip install --upgrade --target 2 --no-index --find-links file:///path/to/index.html micropip --verbose
+```
+
+`index.html` example:
+
+```html
+<a href="https://cdn.jsdelivr.net/pyodide/v0.24.1/full/micropip-0.5.0-py3-none-any.whl">micropip-0.5.0-py3-none-any.whl</a>
+<a href="https://cdn.jsdelivr.net/pyodide/v0.24.1/full/packaging-23.1-py3-none-any.whl">packaging-23.1-py3-none-any.whl</a>
+<a href="https://cdn.jsdelivr.net/pyodide/v0.24.1/full/numpy-1.25.2-cp311-cp311-emscripten_3_1_45_wasm32.whl">numpy-1.25.2-cp311-cp311-emscripten_3_1_45_wasm32.whl</a>
+```